Obs. : 2025-11-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.711e+08
Venus      6.300e+08
Earth      8.855e+08
Mars       7.711e+08
Jupiter    7.518e+08
Saturn     8.360e+08
Uranus     8.638e+08
Neptune    8.360e+08
Pluto      7.720e+08